#include <stdio.h>
#include <sys/stat.h> 
#include <fcntl.h>

int main(void){
	printf("Open /dev/cdata");
	int fd = -1;
	int write_size = 0;

	const char input_bytes[20]="HELO";
	fd = open("/dev/cdata", O_RDWR);
	write_size = write(fd,input_bytes,5);

	close(fd);

	return 0;
}
